Our Quality

Driven to be the very best supplier of perforated material, Diamond Manufacturing Company is focused on providing you the best quality products, priced competitively and delivered on time.

We are the first perforator in North America with a quality management system certified to ISO-9002. We have a proven record of supplying product that is accepted 99.3% of the time. And we offer tolerances that surpass industry standards.

We offer custom and standard perforated sheets and coils, a vast selection of perforation patterns, and a staff of industry experts who will collaborate with you each step of the way to design the most effective solution for your application.

Whether it is providing expert design assistance, manufacturing your product to your precise specifications, or providing a full range of services to help you get your product to market, Diamond’s experienced team will work to ensure that your needs are satisfied and that our products and services are the highest quality.